linux-kernel - Re: [scsi] 618b4d07a4: xfstests.generic.484.fail

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Date:   Mon, 16 Mar 2020 22:17:27 +0800
From:   Stanley Chu <stanley.chu@...iatek.com>
To:     kernel test robot <rong.a.chen@...el.com>
CC:     "Martin K. Petersen" <martin.petersen@...cle.com>,
        Avri Altman <avri.altman@....com>,
        LKML <linux-kernel@...r.kernel.org>, <lkp@...ts.01.org>
Subject: Re: [scsi] 618b4d07a4: xfstests.generic.484.fail

Hi,

On Mon, 2020-03-16 at 21:41 +0800, kernel test robot wrote:
> FYI, we noticed the following commit (built with gcc-7):
> 
> commit: 618b4d07a4420ca9f01837f183ce7b1ac0b31307 ("scsi: ufs: ufs-mediatek: fix TX LCC disabling timing")
> https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git master
> 

The modified file in above commit is /drivers/scsi/ufs/ufs-mediatek.c
which shall not be built according to the kernel configuration used by
the robot.

Could this possibly be a false alarm?

Thanks,
Stanley Chu


> in testcase: xfstests
> with following parameters:
> 
> 	disk: 4HDD
> 	fs: xfs
> 	test: generic-group11
> 
> test-description: xfstests is a regression test suite for xfs and other files ystems.
> test-url: git://git.kernel.org/pub/scm/fs/xfs/xfstests-dev.git
> 
> 
> on test machine: qemu-system-x86_64 -enable-kvm -cpu SandyBridge -smp 2 -m 8G
> 
> caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace):
> 
> 
> 
> 
> If you fix the issue, kindly add following tag
> Reported-by: kernel test robot <rong.a.chen@...el.com>
> 
> 2020-03-16 18:33:34 export TEST_DIR=/fs/vda
> 2020-03-16 18:33:34 export TEST_DEV=/dev/vda
> 2020-03-16 18:33:34 export FSTYP=xfs
> 2020-03-16 18:33:34 export SCRATCH_MNT=/fs/scratch
> 2020-03-16 18:33:34 mkdir /fs/scratch -p
> 2020-03-16 18:33:34 export SCRATCH_DEV=/dev/vdd
> 2020-03-16 18:33:34 export SCRATCH_LOGDEV=/dev/vdb
> meta-data=/dev/vda               isize=512    agcount=4, agsize=16777216 blks
>          =                       sectsz=512   attr=2, projid32bit=1
>          =                       crc=1        finobt=1, sparse=0, rmapbt=0, reflink=1
> data     =                       bsize=4096   blocks=67108864, imaxpct=25
>          =                       sunit=0      swidth=0 blks
> naming   =version 2              bsize=4096   ascii-ci=0 ftype=1
> log      =internal log           bsize=4096   blocks=32768, version=2
>          =                       sectsz=512   sunit=0 blks, lazy-count=1
> realtime =none                   extsz=4096   blocks=0, rtextents=0
> 2020-03-16 18:33:35 export MKFS_OPTIONS=-mreflink=1
> 2020-03-16 18:33:35 sed "s:^:generic/:" //lkp/benchmarks/xfstests/tests/generic-group11
> 2020-03-16 18:33:35 ./check generic/015 generic/056 generic/092 generic/124 generic/160 generic/192 generic/222 generic/254 generic/287 generic/319 generic/350 generic/381 generic/416 generic/446 generic/484 generic/519 generic/550 generic/580
> FSTYP         -- xfs (debug)
> PLATFORM      -- Linux/x86_64 vm-snb-15 5.6.0-rc1-00021-g618b4d07a4420 #1 SMP Mon Mar 16 17:42:08 CST 2020
> MKFS_OPTIONS  -- -f -mreflink=1 /dev/vdd
> MOUNT_OPTIONS -- /dev/vdd /fs/scratch
> 
> generic/015	 2s
> generic/056	 3s
> generic/092	 2s
> generic/124	 5s
> generic/160	 2s
> generic/192	 7s
> generic/222	 5s
> generic/254	 4s
> generic/287	 4s
> generic/319	 2s
> generic/350	 2s
> generic/381	 2s
> generic/416	 157s
> generic/446	 9s
> generic/484	- output mismatch (see /lkp/benchmarks/xfstests/results//generic/484.out.bad)
>     --- tests/generic/484.out	2020-03-05 16:38:54.000000000 +0800
>     +++ /lkp/benchmarks/xfstests/results//generic/484.out.bad	2020-03-16 18:37:07.484545261 +0800
>     @@ -1,2 +1,3 @@
>      QA output created by 484
>     +record lock is not preserved across execve(2)
>      Silence is golden
>     ...
>     (Run 'diff -u /lkp/benchmarks/xfstests/tests/generic/484.out /lkp/benchmarks/xfstests/results//generic/484.out.bad'  to see the entire diff)
> generic/519	 2s
> generic/550	[not run] xfs_io set_encpolicy  support is missing
> generic/580	[not run] xfs_io set_encpolicy  support is missing
> Ran: generic/015 generic/056 generic/092 generic/124 generic/160 generic/192 generic/222 generic/254 generic/287 generic/319 generic/350 generic/381 generic/416 generic/446 generic/484 generic/519 generic/550 generic/580
> Not run: generic/550 generic/580
> Failures: generic/484
> Failed 1 of 18 tests
> 
> 
> 
> 
> To reproduce:
> 
>         # build kernel
> 	cd linux
> 	cp config-5.6.0-rc1-00021-g618b4d07a4420 .config
> 	make HOSTCC=gcc-7 CC=gcc-7 ARCH=x86_64 olddefconfig prepare modules_prepare bzImage modules
> 	make HOSTCC=gcc-7 CC=gcc-7 ARCH=x86_64 INSTALL_MOD_PATH=<mod-install-dir> modules_install
> 	cd <mod-install-dir>
> 	find lib/ | cpio -o -H newc --quiet | gzip > modules.cgz
> 
> 
>         git clone https://github.com/intel/lkp-tests.git
>         cd lkp-tests
>         bin/lkp qemu -k <bzImage> -m modules.cgz job-script # job-script is attached in this email
> 
> 
> 
> Thanks,
> Rong Chen
>